Boundary barrier for a sports playing field



FIG. 1 is a perspective view of a boundary barrier for a sports playing field showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left end elevational view thereof; and,

FIG. 7 is a right end elevational view thereof.

The broken lines in FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an boundary barrier for a sports playing field, as shown and described. 